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TLS Online TPP Program

#Question id: 11197

After the depolarization phase of an action potential, the resting potential is restored by ________.

#Unit 7. System Physiology – Animal
  1. the opening of voltage-gated potassium channels and the inactivation of sodium channels
  2. a decrease in the membrane's permeability to potassium and chloride ions
  3. a brief inhibition of the sodium-potassium pump
  4. the opening of more voltage-gated sodium channels
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TLS Online TPP Program

#Question id: 11241

#Unit 9. Diversity of Life Forms

Not present in all bacteria, this structure enables those that possess it to germinate after exposure to harsh conditions, such as boiling:
TLS Online TPP Program

#Question id: 15288

#Unit 5. Developmental Biology

Which of the following not a property of responder cell?
TLS Online TPP Program

#Question id: 11824

#Unit 6. System Physiology – Plant

Only two of the ethylene receptors in Arabidopsis have intrinsic histidine kinase activity, these receptors are_______
TLS Online TPP Program

#Question id: 27965

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following provide moonlighting for  both uracil DNA glycosylase, effecting the repair of damaged DNA, and as a regulator of histone H2B transcription 
TLS Online TPP Program

#Question id: 12172

#Unit 8. Inheritance Biology

In haplodiploid condition, hymnoptera  insects  female mates with a single male , find the mean genetic relatedness of;
i) the females in the progeny are related to,
ii) the males in the progeny are related to,